$(function () {
    var art_content = $('.art_content').attr('value');
    // alert(art_content)
    mdSwitch_detail(art_content);

    $('.personal_b').click(function () {
        $('.user_detail').children().hide();
        $('.personal').show();
    });
});

function mdSwitch_detail(art_content) {
    var converter = new showdown.Converter();
    var html = converter.makeHtml(art_content);
    $('.art_content').append(html)
}